95 lines
2.7 KiB
Rust
95 lines
2.7 KiB
Rust
//! BookmarkCollection module
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//!
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//! A BookmarkCollection is nothing more than a simple store entry. One can simply call functions
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//! from the libimagentrylink::external::ExternalLinker trait on this to generate external links.
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//!
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//! The BookmarkCollection type offers helper functions to get all links or such things.
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use std::ops::Deref;
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use std::ops::DerefMut;
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use error::BookmarkError as BE;
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use error::BookmarkErrorKind as BEK;
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use error::MapErrInto;
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use result::Result;
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use module_path::ModuleEntryPath;
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use libimagstore::store::Store;
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use libimagstore::storeid::IntoStoreId;
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use libimagstore::store::FileLockEntry;
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use libimagentrylink::external::ExternalLinker;
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use libimagentrylink::internal::InternalLinker;
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use libimagentrylink::internal::Link;
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use libimagerror::into::IntoError;
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use url::Url;
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pub struct BookmarkCollection<'a> {
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fle: FileLockEntry<'a>,
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store: &'a Store,
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}
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/// {Internal, External}Linker is implemented as Deref is implemented
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impl<'a> Deref for BookmarkCollection<'a> {
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type Target = FileLockEntry<'a>;
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fn deref(&self) -> &FileLockEntry<'a> {
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&self.fle
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}
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}
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impl<'a> DerefMut for BookmarkCollection<'a> {
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fn deref_mut(&mut self) -> &mut FileLockEntry<'a> {
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&mut self.fle
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}
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}
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impl<'a> BookmarkCollection<'a> {
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pub fn new(store: &'a Store, name: &str) -> Result<BookmarkCollection<'a>> {
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let id = ModuleEntryPath::new(name).into_storeid();
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store.create(id)
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.map(|fle| {
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BookmarkCollection {
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fle: fle,
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store: store,
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}
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})
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.map_err_into(BEK::StoreReadError)
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}
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pub fn get(store: &'a Store, name: &str) -> Result<BookmarkCollection<'a>> {
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let id = ModuleEntryPath::new(name).into_storeid();
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store.get(id)
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.map_err_into(BEK::StoreReadError)
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.and_then(|fle| {
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match fle {
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None => Err(BEK::CollectionNotFound.into_error()),
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Some(e) => Ok(BookmarkCollection {
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fle: e,
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store: store,
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}),
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}
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})
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}
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pub fn delete(store: &Store, name: &str) -> Result<()> {
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unimplemented!()
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}
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pub fn links(&self) -> Result<Vec<Url>> {
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self.fle.get_external_links(&self.store).map_err_into(BEK::LinkError)
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}
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pub fn link_entries(&self) -> Result<Vec<Link>> {
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use libimagentrylink::external::is_external_link_storeid;
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self.fle
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.get_internal_links()
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.map(|v| v.into_iter().filter(|id| is_external_link_storeid(id)).collect())
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.map_err_into(BEK::StoreReadError)
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}
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}
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